See Big Boy's Westward Bound Tour schedule here. Union Pacific announced on June 17 that its legendary steam locomotive will ...

All aboard! The world's largest operating steam locomotive, Union Pacific "Big Boy" No. 4014, will roll through Houston this fall. State of the train: The locomotive is the last operating steam ...

There are steam locomotives, and then there’s “Big Boy.” At 604 tons and 132 feet long and with a 4-8-8-4-wheel arrangement, it is the largest, most powerful steam locomotive in the world.

Union Pacific Big Boy Loco Add-On The Union Pacific Railroad's Big Boy 4-8-8-4 steam locomotive is undoubtedly the beast of American railroading history, and this epitome of heavy haulage is now ...

Instead, this is a steam turbine, nothing like the 1920s and 30s experiments with conventional locomotives, nor even the Union Pacific’s oil-fired condensing turbo-electrics. The new idea here ...